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A steel tank is completely full with 2.70m3 of ethanol when both the tank and the ethanol are at a temperature of 31.0C.
When the tank and its contents have cooled to 17.5C, what additional volume of ethanol can be put into the tank?
As a result of the friction of tides, the earth rotates more slowly as time progresses. Each year the time it takes for the earth to complete one rotation increases by 20microseconds. at what rate [J/(yr*K)] is entropy being generated due to tidal ..
A block slides down a frictionless plane having an inclination of17.0°. If the block starts from rest at the top and the length of thisincline is 1.53 m, find the acceleration of the block.
Suppose you have an electric hot water heater for your house which is an aluminum cylinder which has a 0.44 m radius and is 1.8 m high. The walls are 1.0 cm thick.
A sparrow's maximum air speed (speed relative to the air around it) is 20 m/sec. She wants to fly to her nest which is due north, but there is 10 m/sec wind blowing from west to east. What direction should she fly?
A hot air balloon is a bit like a bubble in water. It rises in air when the mass of relatively cool surrounding air displaced by the balloon is greater than the mass of the balloon, What is the buoyancy
two frisky grasshoppers collide in midair at the top of their respective trajectories and grab onto each other holding
An electrical generating plant operates a boiler at a temperature of 220 C, What is the maximum theoretical efficency of the plant
Calculate the maximum allowable force that can be applied to stop a 1000 kg vehicle if the maximum allowable acceleration is 2.5 g.
an object with a charge of -2.6 microc and a mass of 0.050 kg experiences an upward electric force due to a uniform
A spring with spring constant 11N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. What is its the mass of the ball
What value does this give for the speed of sound in air. What is the speed of the ball at that point.
Light of wavelength 4.80 102 nm illuminates a pair of slits separated by 0.270 mm. find the distance between the first and second dark fringes
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